---
- name: Install postgresql
  apt:
    pkg: 
      - acl
      - postgresql
      - python3-psycopg2

- name: Create postgresql db
  become: true
  become_user: postgres
  postgresql_db:
    name: "{{database}}"
  when: database != false

- name: Create postgresql user
  when: username != false
  become: true
  become_user: postgres
  postgresql_user:
    db: "{{database}}"
    name: "{{username}}"
    password: "{{password}}"